WO2016201652A1 - Système d'élimination de poussière de ciment - Google Patents

Système d'élimination de poussière de ciment Download PDF

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Publication number
WO2016201652A1
WO2016201652A1 PCT/CN2015/081703 CN2015081703W WO2016201652A1 WO 2016201652 A1 WO2016201652 A1 WO 2016201652A1 CN 2015081703 W CN2015081703 W CN 2015081703W WO 2016201652 A1 WO2016201652 A1 WO 2016201652A1
Authority
WO
WIPO (PCT)
Prior art keywords
cyclone
cement
removal system
ventilation duct
dust removal
Prior art date
Application number
PCT/CN2015/081703
Other languages
English (en)
Chinese (zh)
Inventor
许亮芳
Original Assignee
许亮芳
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 许亮芳 filed Critical 许亮芳
Priority to PCT/CN2015/081703 priority Critical patent/WO2016201652A1/fr
Publication of WO2016201652A1 publication Critical patent/WO2016201652A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces

Definitions

  • the invention relates to the technical field of application of a cement dust removing device, in particular to a cement dust removing system.
  • the cement industry is the main source of industrial dust emission in China.
  • the dust emission is about 2% to 3% of its output.
  • the total discharge in the country exceeds 10 million tons.
  • the long-term exposure of cement dust to human body is easy to cause various diseases, and cement dust will cause Land alkalization, serious pollution of the environment, in the cement production process, whether it is crushing, drying or grinding, calcination will produce a large amount of dust, because each process is dry operation, so the formation of more dust points, large surface
  • the wide range of characteristics, and the amount of exhaust gas in the cement kiln tail kiln accounts for about 60% of the total amount of exhaust gas in the cement production line, of which kiln exhaust gas accounts for about 36% of the total cement production line.
  • Comparative Document 1 Chinese Patent No. CN202921115U describes a cement dust removing mechanism comprising a bellows, a dust removing duct, a water mist nozzle and a driving motor, the dust removing duct is connected to the back of the bellows, and the driving motor is mounted on the side of the bellows, An air inlet pipe is arranged at the top of the wind box, a water mist nozzle is installed on one side of the wind box, and a water outlet is arranged at the bottom of the wind box.
  • the central part of the wind box is equipped with a linkage rotating shaft, and the fan blade is mounted on the linked rotating shaft.
  • One end of the interlocking shaft is disposed outside the bellows, and is connected to the driving motor through a belt.
  • the upper part of the bellows has a circular arc structure, and the top of the air inlet tube is provided with a top cover, and the mechanism has many disadvantages. If too many structures are placed on the bellows, the service life of the mechanism is shortened, the pressure is small, and the work efficiency is low. At present, the cement dust removal device has a high temperature and a large amount of flue gas, which is difficult to clean. The dust treatment cyclone dust collector of the lime plant is insufficient. Therefore, a cement dust removal system is proposed for the above problems.
  • a cement dust removal system including cement concrete, ventilation pipes, gas collecting hoods, cyclone dust collector inlets, cyclone dust collectors, cyclone dust collector outlets, ash hoppers, fans and chimneys;
  • the cement concrete is disposed on one side of the cyclone, and the cement concrete is electrically connected to the gas collecting cover through the ventilation pipe;
  • the gas collecting cover is disposed at the outlet of the cement concrete, and one end of the gas collecting cover is ventilated by the ventilation pipe and the cyclone
  • the inlet of the cyclone is connected;
  • the cyclone collector is provided on both sides of the cyclone inlet and the cyclone outlet;
  • the hopper is disposed at one end of the cyclone;
  • the fan is disposed on one side of the cyclone and passes through the ventilation duct Connected to the chimney; the fan is placed between the cyclone and the chimney.
  • the gas collecting hood is an umbrella-shaped low-hanging structure, and the expansion angle is 40°.
  • the two ends of the ventilation duct are flanged connections.
  • the ventilation pipe bend is a circular right angle structure.
  • the cyclone is a tapered structure.
  • the fan is disposed between the chimney and the cyclone outlet, and the fan is lower than the outlet of the cyclone outlet.
  • outlet of the cyclone is sealed and connected to the upper surface of the ash hopper.
  • the utility model has the beneficial effects that the gas collecting hood is an umbrella-shaped low-hanging structure with an expansion angle of 40°, which is convenient for collecting diffused dust and heat dissipation, and the circular right-angle elbow strictly controls the pipeline.
  • the wind speed effectively prevents the dust from accumulating, reduces the friction pressure loss and the partial pressure loss.
  • the joints of the ventilation ducts are flanged, which makes the interfaces of the cyclone duster tightly connected and the connection strength is good, and the maintenance and disassembly is convenient.
  • Cyclone dust collector has the advantages of simple structure, small volume, no special auxiliary equipment, low cost, no moving parts in the device, convenient operation and maintenance, etc., which greatly reduces the occupational hazard of cement processing and has good dust removal effect. Protected the environment and suitable for promotion.
  • Figure 1 is a schematic view of the overall structure of the present invention
  • FIG. 2 is a schematic structural view of a fan of the present invention
  • Figure 3 is a top view of the cyclone dust collector of the present invention.
  • the present invention provides a cement dust removal system, including a cement concrete 1, a ventilation duct 2, a gas collecting cover 3, a cyclone dust collector inlet 4, a cyclone dust collector 5, a cyclone dust collector outlet 6, and a ash bucket 7 a fan 8 and a chimney 9;
  • the cement concrete 1 is disposed on one side of the cyclone 5, and the cement concrete 1 is electrically connected to the gas collecting cover 3 through the ventilation duct 2;
  • the gas collecting cover 3 is disposed on the cement concrete 1
  • An outlet, and one end of the gas collecting hood 3 communicates with the cyclone inlet 4 through a ventilation duct 2;
  • the cyclone 5 is provided with a cyclone inlet 4 and a cyclone outlet 6;
  • the ash 7 is disposed at One end of the cyclone 5;
  • the fan 8 is disposed on one side of the cyclone 5 and is connected to the chimney 9 through a ventilation duct 2;
  • the fan 8 is disposed between the cyclone 5 and
  • the gas collecting hood 3 is an umbrella-shaped low-suspension structure and has an expansion angle of 40°; the two ends of the ventilation duct 2 are flanged; the ventilation duct 2 is bent. a circular right angle structure; the cyclone 5 is a tapered structure; the fan 8 is disposed between the chimney 9 and the cyclone outlet 6, and the fan 8 is lower than the outlet of the cyclone outlet 6; the cyclone Dust collector The outlet 6 is sealingly connected to the upper surface of the ash hopper 7.
  • the working principle of the invention the cement concrete 1 sends the dusty gas to the gas collecting hood 3 through the ventilation duct 2, and the gas collecting hood 3 collects the gas together and cools for a period of time, the ventilation duct 2 passes the dusty gas through the cyclone
  • the dust collector inlet 4 reaches the inside of the cyclone dust collector 5, and the cyclone dust collector 5 rotates the dusty airflow, and the dust particles are separated from the airflow by the centrifugal force and trapped on the wall, and then the dust particles fall into the ash by gravity.
  • the treated gas quickly reaches the stack 9 and is discharged into the atmosphere by the blower 8.

Abstract

Un système d'élimination de poussière de ciment comprend une fosse à ciment , un conduit de ventilation, une hotte de collecte d'air, une entrée d'élimination de poussière à cyclone, un dispositif d'élimination de poussière à cyclone, une sortie de dispositif d'élimination de poussière à cyclone, un bac à cendres, un ventilateur, et une cheminée. La fosse à ciment est disposée sur un côté du dispositif d'élimination de poussière à cyclone, et est en communication avec la hotte de collecte d'air par l'intermédiaire du conduit de ventilation. La hotte de collecte d'air est disposée au niveau de la sortie de la fosse à ciment, et une extrémité de la hotte de collecte d'air est en communication avec l'entrée du dispositif d'élimination de poussière à cyclone par l'intermédiaire du conduit de ventilation. Deux côtés du dispositif d'élimination de poussière à cyclone comportent l'entrée du dispositif d'élimination de poussière à cyclone et la sortie du dispositif d'élimination de poussière à cyclone. Le bac à cendres est disposé à une extrémité du dispositif d'élimination de poussière à cyclone. Le ventilateur est disposé entre le dispositif d'élimination de poussière à cyclone et la cheminée, et est raccordé à la cheminée par l'intermédiaire du conduit de ventilation.
PCT/CN2015/081703 2015-06-17 2015-06-17 Système d'élimination de poussière de ciment WO2016201652A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/081703 WO2016201652A1 (fr) 2015-06-17 2015-06-17 Système d'élimination de poussière de ciment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/081703 WO2016201652A1 (fr) 2015-06-17 2015-06-17 Système d'élimination de poussière de ciment

Publications (1)

Publication Number Publication Date
WO2016201652A1 true WO2016201652A1 (fr) 2016-12-22

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Application Number Title Priority Date Filing Date
PCT/CN2015/081703 WO2016201652A1 (fr) 2015-06-17 2015-06-17 Système d'élimination de poussière de ciment

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Country Link
WO (1) WO2016201652A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124887A (zh) * 2019-06-18 2019-08-16 大唐郓城发电有限公司 一种脱硫脱硝除尘器专用涡流罩

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1307218A (zh) * 2000-01-24 2001-08-08 李雨春 古式石灰窑消烟除尘并回收炭黑方法
CN2508838Y (zh) * 2001-11-09 2002-09-04 赵义泉 灰粉干式除尘器
CN201208533Y (zh) * 2008-05-09 2009-03-18 中国铝业股份有限公司 湿法窑专用布袋收尘器
CN104548765A (zh) * 2014-12-16 2015-04-29 西宁科进工业设计有限公司 一种水泥除尘系统
CN204411899U (zh) * 2014-12-16 2015-06-24 西宁共进新材料科技有限公司 一种水泥加工通风除尘装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1307218A (zh) * 2000-01-24 2001-08-08 李雨春 古式石灰窑消烟除尘并回收炭黑方法
CN2508838Y (zh) * 2001-11-09 2002-09-04 赵义泉 灰粉干式除尘器
CN201208533Y (zh) * 2008-05-09 2009-03-18 中国铝业股份有限公司 湿法窑专用布袋收尘器
CN104548765A (zh) * 2014-12-16 2015-04-29 西宁科进工业设计有限公司 一种水泥除尘系统
CN204411899U (zh) * 2014-12-16 2015-06-24 西宁共进新材料科技有限公司 一种水泥加工通风除尘装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124887A (zh) * 2019-06-18 2019-08-16 大唐郓城发电有限公司 一种脱硫脱硝除尘器专用涡流罩

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